(Released) Windows 10 Insider Builds For Spring 2019

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Build 18362.30 Released to Preview Ring:  Releasing the May 2019 Update to the Release Preview ring | Windows Experience Blog.

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UPDATE 4/9: We have released Build 18362.53 (KB4495666) for Windows Insiders who are currently on Build 18362.30 of the Windows 10 May 2019 Update. This update also includes security updates that come as part of the normal monthly Patch Tuesday release cycle.

This update does include a known issue:

    After installing this update (KB4495666), users may experience error "0x800705b4" when launching Windows Defender Application Guard or Windows Sandbox. As a workaround, you can enable the following registry keys on the Host OS and reboot:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Containers\CmService\Policy]

"DisableClone"=dword:00000001
"DisableSnapshot"=dword:00000001

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UPDATE 4/26: We have released Build 18362.86 (KB4497093) for Windows Insiders who are currently in the Fast ring only and on Build 18362.53. We'll roll this out to the Slow and Release Preview rings in a bit. This Cumulative Update includes the following fixes:

• This Cumulative Update includes the fix for Windows Insiders in the Fast ring who were unable to update to the latest 20H1 build from Build 18362.53.
  
• We have made general improvements for users in Japan or use the OS in Japanese including fixes for the Japanese IME and fixes for date and time issues.
  
• We fixed an issue where UWP VPN plugin apps might not be able to properly send packets through an established VPN tunnel on an IPv6 only network.
  
• We fixed the issue causing updating to Build 18362 to fail to install with an 0x80242016 error.
  

Note: KB4497093 did not go out to the Slow Ring until today 01May2019. After it is installed, the OS Build will be 18362.86.

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Microsoft released a new cumulative update to Window Insider program Slow, Fast and Release Preview rings for Build 18356.30 or a later.  See KB 4497936.

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UPDATE 5/19: We have released Build 18362.116 (KB4505057) for Windows Insiders in the Slow and Release Preview rings. This update includes the follow fixes:

• Addresses an issue that may prevent access to some gov.uk websites that don't support HTTP Strict Transport Security (HSTS) when using Internet Explorer 11 or Microsoft Edge.
  
• Addresses an issue in which installation may fail with the error, "0x800f081f – CBS_E_SOURCE_MISSING."
  

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Released!  See Windows 10 May 2019 Update Released! for information on how to get the update.

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Although 19H1 was already released, Microsoft released Build 18362.145 (KB4497935) for Windows Insiders in the Slow and Release Preview rings testing a number of fixes. 

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Although Windows 10 Version 1903 was released in May, it was done so as a "targeted deployment".  As of September 26, 2019, Version 1903 has finally been released for "broad deployment".  From Windows 10, version 1903 and Windows Server, version 1903 - Windows Release Information | Microsoft Docs:

Current status as of September 26, 2019:
Windows 10, version 1903 (the May 2019 Update) is designated ready for broad deployment for all users via Windows Update.

As devices running the Home, Pro, and Pro for Workstation editions of Windows 10, version 1803 (the April 2018 Update) will reach end of service on November 12, 2019, we are broadly updating these devices, as well as those running earlier versions of Windows 10 that are past end of service, to keep these devices both supported and receiving monthly updates. If you are not offered the Windows 10, version 1903 feature update, please check below for known issues and safeguard holds that may affect your device.

We recommend commercial customers running earlier versions of Windows 10 begin broad deployments of Windows 10, version 1903 in their organizations.

Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard.

As a result, Microsoft has released this Compatibility update for installing Windows 10 version 1903: September 26, 2019 which makes improvements to make the installation of Version 1903 easier.  Some of the improvements included are as follows:

•   Addresses an issue in the migration file (.mig) which may cause an error to occur after you upgrade.
  
•   Addresses an issue that causes a black screen when you try to create a new virtual machine (VM). This issue occurs after VMWare version 15.10 or an earlier version is installed and then you upgrade.
  
•   Addresses incompatible third-party drivers that may cause issues when you upgrade.
  
•   Addresses an issue during the upgrade in which Korean characters may be clipped or unreadable.
  
•   Addresses an issue that causes the ESD file to be unnecessarily redownloaded during the upgrade.
  
•   Addresses hard link issues when you perform an offline upgrade.

As indicated in the Bleeping Computer article, Windows 10 Version 1903 Now in Broad Deployment, Available to Everyone:

If you are not offered the Windows 10 version 1903 update, then you should check the Windows 10 Health Dashboard for any known hardware blocks.

There are currently known blocks for NEC laptops with Intel and Broadcom Wi-Fi adapters and certain Intel Rapid Storage Technology Drivers (Intel RST).